More cattle. Based on the model N(1152, 84) describing Angus steer weights, what are the cutoff values for a) the highest 10% of the weights? b) the lowest 20% of the weights? c) the middle 40% of the...

More cattle. Based on the model N(1152, 84) describing Angus steer weights, what are the cutoff values for

a) the highest 10% of the weights?

b) the lowest 20% of the weights?

c) the middle 40% of the weights?